4387019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 5630688

約数和(自身を除く): 1243669

約数列:

[1, 7, 13, 49, 71, 91, 97, 497, 637, 679, 923, 1261, 3479, 4753, 6461, 6887, 8827, 45227, 48209, 61789, 89531, 337463, 626717, 4387019]

約数ペア:

[(1, 4387019), (7, 626717), (13, 337463), (49, 89531), (71, 61789), (91, 48209), (97, 45227), (497, 8827), (637, 6887), (679, 6461), (923, 4753), (1261, 3479)]